Stewart Brand: The dawn of de-extinction. Are you ready?
Throughout humankind's history, we've driven species after species extinct: the passenger pigeon, the Eastern cougar the dodo .... But now, says Stewart Brand, we have the technology (and the biology) to bring back species that humanity wiped out. So -- should we? Which ones? He asks a big question whose answer is closer than you may think.
Run time 00:18:25Producer TED.comLanguage English